president, i'm grateful for this opportunity to serve our country again. >> reporter: obama faces nomination fights a divided congress and this. >> the president will either rise and fall about the economy. >> reporter: obama is off to a head start with his current approval rating higher than his first term average. but he still faces fights over gun control. and immigration reform. >> this is when presidents really get tested, when unexpected things happen and they have to react on the spot, in real time. we get to seat real character of a president. >> just 16 presidents have been elected to a second term, including some of the great ones. obama, the 17th, will now get his shot at greatness, or not. you know, both gentlemen agreed that tackling the economy was first priority. they said in order for president barack obama to leave the democratic party stronger, he has to pass immigration reform. that's what you were talking about a while ago. >> isn't that one of the big questions? is his goal his legacy? or is his goal a democratic legacy? >> one guy said within a year. have you a year to